Article of footwear



FIG. 1 is a front perspective view of an article of footwear according my new design.

FIG. 2 is a left side view in elevation of the article of footwear of FIG. 1, showing the lateral side of the article of footwear; and,

FIG. 3 is a rear view in elevation of the article of footwear of FIG. 1.

Portions of the article not shown form no part of the claimed design. The broken line illustration of environmental structure in the drawings is not part of the claimed design. 

CLAIM The ornamental design for an article of footwear, as shown and described. 